WAIT EVENTS / VERSION COMPARISON

What changed?

Wait Events · PostgreSQL 11 → 12

Historical documentation for a PostgreSQL version that is no longer supported.

7 added · 1 removed · 0 changed · 0 coverage changes. These are changes in the pinned reference snapshots.

--- 11
+++ 12
@@ -0,0 +1,2 @@
+Client/GSSOpenServer
+Waiting to read data from the client while establishing the GSSAPI session.

addedWalSync

--- 11
+++ 12
@@ -0,0 +1,2 @@
+IO/WALSync
+Waiting for a WAL file to reach durable storage.

addedCheckpointDone

--- 11
+++ 12
@@ -0,0 +1,2 @@
+IPC/CheckpointDone
+Waiting for a checkpoint to complete.

addedCheckpointStart

--- 11
+++ 12
@@ -0,0 +1,2 @@
+IPC/CheckpointStart
+Waiting for a checkpoint to start.

addedPromote

--- 11
+++ 12
@@ -0,0 +1,2 @@
+IPC/Promote
+Waiting for standby promotion.

removedBackendRandomLock

--- 11
+++ 12
@@ -1,2 +0,0 @@
-LWLock/BackendRandomLock
-Waiting to generate a random number.

addedPerXactPredicateList

--- 11
+++ 12
@@ -0,0 +1,2 @@
+LWLock/serializable_xact
+Waiting to perform an operation on a serializable transaction in a parallel query.

addedRegisterSyncRequest

--- 11
+++ 12
@@ -0,0 +1,2 @@
+Timeout/RegisterSyncRequest
+Waiting while sending synchronization requests to the checkpointer, because the request queue is full.